See Section 2.8.2, “Recommended Configurations”.
The number of regions for an HBase table is driven by the Section 2.8.2.6, “Bigger Regions”. Also, see the architecture section on Section 8.7.1, “Region Size”
For larger systems, managing compactions and splits may be something you want to consider.
See hfile.block.cache.size
.
A memory setting for the RegionServer process.
See hbase.regionserver.global.memstore.upperLimit
.
This memory setting is often adjusted for the RegionServer process depending on needs.
See hbase.regionserver.global.memstore.lowerLimit
.
This memory setting is often adjusted for the RegionServer process depending on needs.
See hbase.hstore.blockingStoreFiles
.
If there is blocking in the RegionServer logs, increasing this can help.
See hbase.hregion.memstore.block.multiplier
.
If there is enough RAM, increasing this can help.